Intake Manifold, Upper Section

Intake Manifold, Upper Section

Removing

• During installation, all cable ties must be installed at the same location.

- Remove the front and rear engine covers.

- Free up the hose connection - 1 - to the EVAP canister.





- Remove the vacuum hose - 2 - from the air guide hose connection.

- Remove the air guide hose by loosening the hose clamp - 3 - and opening the clips - arrows -.

• Ignore - 4 -.

- Disconnect vacuum hose - 2 -.





• Disregard the - arrow -.

Disconnect the Following Electrical Connectors





1 EVAP canister purge regulator valve 1 (N80)
2 Secondary air injection solenoid valve (N112) (on Emissions Standard ULEV 2 vehicles only)
3 intake air temperature sensor (G42)/manifold absolute pressure sensor (G71)
4 Climatronic refrigerant shut-off valve (N422) (only on vehicles without an auxiliary heater)
5 Secondary air injection solenoid valve 2 (N320) (on Emissions Standard ULEV 2 vehicles only)
6 Throttle valve control module (J338)

- Remove the EVAP canister purge regulator valve 1 from the bracket and lay it aside with the hose connected.

- Disconnect the connectors on the front of the intake manifold.

1. Intake manifold tuning valve (N156)

2. Intake manifold tuning valve position sensor (G513)

- Remove the vacuum hose - arrow -.





- Disconnect vacuum hose - arrow - at leak detection pump.





- Free up the vacuum hose - arrow -.





- Free up the wiring harness.

- Remove bolt - 3 -.

- Press the retaining tab - 2 - up slightly and disconnect the crankcase ventilation hose from the intake manifold.

- Remove the bolts - arrows - and the upper section of the intake manifold.





• Plug the intake ports of the cylinder head with clean rags.

Installing

Installation is in reverse order of removal, note the following:

• Tightening specifications, refer to => [ Intake Manifold, Upper Section Assembly Overview ] Intake Manifold, Upper Section Assembly Overview

• Replace seals and O-rings.

• During installation, all cable ties must be installed at the same location.

• Secure all hose connections using hose clamps appropriate for the model type. Refer to the electronic parts catalog ETKA.